A) Soil conservation does not work. Humans cannot prevent erosion
B) The roots of plants hold the soil in place, so it won't erode away.

A) clay
B) corn
C) sand
D) loam

A) soil properties
B) soil facts
C) grains of rock
D) dirt

A) sand
B) clay
C) loam
D) humus

A) Loam
B) Sand
C) Clay
D) Humus

A) subsoil
B) topsoil
C) bedrock

A) It comes in many different colors.
B) It can be used in gardens as a fertilizer.
C) It holds water well.
D) It is not a good soil to grow plants in.

A) sand
B) humus
C) loam
D) clay

A) is light in texture
B) plants cannot grow in it
C) helps to fertilize soil
D) has dark color

A) loam
B) humus
C) clay
D) sand